利用Comparator对枚举类型进行排序的实现

        String daXiaoOrder[] = {"很小","小","中","大"，"特大"};
        String tianDuOrder[] = {"不甜","甜","很甜"}
        ComparatorChain comparatorChain = new ComparatorChain();
        FixedOrderComparator fixedOrderComparator1 = new FixedOrderComparator(daXiaoOrder);
        FixedOrderComparator fixedOrderComparator2 = new FixedOrderComparator(tianDuOrder); 
         //daXiao 和 tianDu 是Apple类的成员变量   
        comparatorChain.addComparator(new BeanComparator("daXiao",fixedOrderComparator1)); 
        comparatorChain.addComparator(new BeanComparator("tianDu",fixedOrderComparator2));
        Collections.sort(appleList, comparatorChain);